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Anthracite
Anthracite

Shale
Shale



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Anthracite
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Anthracite and Shale Definition

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1 Definition
1.1 Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
1.2 History
1.2.1 Origin
Pennsylvania, U.S.
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,
1.4 Class
Metamorphic Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Anthracite and Shale

The general Anthracite and Shale definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. On the other hand, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Anthracite and Shale, get to know about Properties of Anthracite and Shale. Get to know more information about Anthracite and Shale origin and discoverer, etymology and class.

History of Anthracite and Shale

The history of Anthracite and Shale gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Anthracite and Shale Origin and Discoverer

Anthracite and Shale definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Anthracite and Shale. In this section, you will know about Anthracite and Shale Origin and Discoverer. Origin of Anthracite is Pennsylvania, U.S. whereas Origin of Shale is Unknown. It is interesting to know the name of Anthracite and Shale discoverer. The discoverer of Anthracite and Shale are Unknown.

Etymology of Anthracite and Shale

Along with Anthracite and Shale definition, know more about the etymology of Anthracite and Shale. Etymology of Anthracite and Shale gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Shale. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Shale is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Shale belongs to Sedimentary Rocks. The sub-class, group and other categories of Anthracite and Shale are listed below.

For Anthracite,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Not applicable
  • Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Shale,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock